"Railway AC/AC Variable Frequency Drives"
"Variable frequency drives (VFD) allow us to control and regulate the AC rotational motor speed and torque by varying motor input frequency and..." (Railway-News, 2022)
Railway-News. (2022, Sept 26th) Railway AC/AC Variable Frequency Drives. Retrieved from Railway-News: https://railway-news.com/railway-ac-ac-variable-frequency-drives/
"Tenders Called for Montréal’s Blue Line Metro Extension Project"
"This large-scale project will create 5 new accessible metro stations and approximately 6 kilometres of ..." (May, 2022) Click here for full article...